stories are an interesting starting point:
http://story.news.yahoo.com/news?tmpl=story&ncid=578&e=2&u=/nm/20040425/pl_nm/rights_abortion_dcReuters gives an almost fair story (abortion policy rather than Women's rights and Choice are my only quibble):
Deborah Zabarenko -WASHINGTON (Reuters) Mass Protest Decries Bush Abortion Policies..... "There was no official crowd count, but organizers claimed more than 1 million people participated"
http://story.news.yahoo.com/news?tmpl=story&cid=519&ncid=716&e=2&u=/ap/20040425/ap_on_re_us/women_s_marchThe AP whores for the GOP as we knew it would:
ELIZABETH WOLFE, Associated Press Writer
Thousands March for Abortion Rights
various police sources informally estimated the throng at between 500,000 and 800,000 strong.
http://story.news.yahoo.com/news?tmpl=story&ncid=1504&e=2&u=/afp/20040425/pl_afp/us_vote_abortion_040425213812And AFP is the best - but it is conflicted as it tries to be "fair" and screws up on who told their reporter that the crowd may have been as small as 500,000 - they did not get that from the organizers!:
WASHINGTON (AFP)Hundreds of thousands march for women's rights in Washington
Organizers, who said this protest was larger than the 750,000 who attended the last abortion rights demonstration in 1992 (and then later in the article..... Organizers estimated 500,000 to 750,000 supporters turned out)